Looking at the following equation, one would say entropy 2NO(g)
> N2(g) + O2(g)

Matter- occupies space and possesses rest massno matter is the opposite

Molarity is moles of solute over liters of solution. idk if that is what you are talking about, but you can convert moles of solute to grams of solute using dimensional analyzes by using molar mass found on the periodic table.

Ibelieve the answer 4 moles